1374816721950 has 480 divisors, whose sum is σ = 4458080664576. Its totient is φ = 307618871040.

The previous prime is 1374816721933. The next prime is 1374816721981. The reversal of 1374816721950 is 591276184731.

1374816721950 is a `hidden beast` number, since 1 + 3 + 7 + 481 + 6 + 72 + 1 + 95 + 0 = 666.

It is a super-2 number, since 2×1374816721950² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 966138939 + ... + 966140361.

It is a 1-persistent number, because it is pandigital, but 2⋅1374816721950 = 2749633443900 is not.

Almost surely, 2^{1374816721950} is an apocalyptic number.

1374816721950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374816721950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229040332288).

1374816721950 is an abundant number, since it is smaller than the sum of its proper divisors (3083263942626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374816721950 is a wasteful number, since it uses less digits than its factorization.

1374816721950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 1374816721950 in words is "one trillion, three hundred seventy-four billion, eight hundred sixteen million, seven hundred twenty-one thousand, nine hundred fifty".