61358326402 has 16 divisors (see below), whose sum is σ = 95499484920. Its totient is φ = 29542261248.

The previous prime is 61358326339. The next prime is 61358326409. The reversal of 61358326402 is 20462385316.

It can be written as a sum of positive squares in 4 ways, for example, as 61320121641 + 38204761 = 247629^2 + 6181^2 .

It is not an unprimeable number, because it can be changed into a prime (61358326409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4266877 + ... + 4281232.

Almost surely, 2^61358326402 is an apocalyptic number.

61358326402 is a deficient number, since it is larger than the sum of its proper divisors (34141158518).

61358326402 is a wasteful number, since it uses less digits than its factorization.

61358326402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548245.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 61358326402 in words is "sixty-one billion, three hundred fifty-eight million, three hundred twenty-six thousand, four hundred two".