381651799302 has 32 divisors (see below), whose sum is σ = 848152421760. Its totient is φ = 127211669640.

The previous prime is 381651799283. The next prime is 381651799357. The reversal of 381651799302 is 203997156183.

381651799302 is a `hidden beast` number, since 3 + 8 + 1 + 6 + 517 + 99 + 30 + 2 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190193 + ... + 1476435.

It is an arithmetic number, because the mean of its divisors is an integer number (26504763180).

Almost surely, 2^381651799302 is an apocalyptic number.

381651799302 is an abundant number, since it is smaller than the sum of its proper divisors (466500622458).

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

381651799302 is a wasteful number, since it uses less digits than its factorization.

381651799302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310945 (or 310939 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 381651799302 in words is "three hundred eighty-one billion, six hundred fifty-one million, seven hundred ninety-nine thousand, three hundred two".