65074569450 has 192 divisors, whose sum is σ = 188342195328. Its totient is φ = 14693990400.

The previous prime is 65074569389. The next prime is 65074569487. The reversal of 65074569450 is 5496547056.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65074569393 and 65074569402.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2708892 + ... + 2732808.

It is an arithmetic number, because the mean of its divisors is an integer number (980948934).

Almost surely, 2^65074569450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65074569450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94171097664).

65074569450 is an abundant number, since it is smaller than the sum of its proper divisors (123267625878).

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

65074569450 is a wasteful number, since it uses less digits than its factorization.

65074569450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24057 (or 24052 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 65074569450 in words is "sixty-five billion, seventy-four million, five hundred sixty-nine thousand, four hundred fifty".