61845104649292 has 12 divisors (see below), whose sum is σ = 108229234719760. Its totient is φ = 30922466157936.

The previous prime is 61845104649127. The next prime is 61845104649301. The reversal of 61845104649292 is 29294640154816.

It is a super-2 number, since 2×61845104649292² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61845104649292.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19913088 + ... + 22808359.

Almost surely, 2^{61845104649292} is an apocalyptic number.

It is an amenable number.

61845104649292 is a deficient number, since it is larger than the sum of its proper divisors (46384130070468).

61845104649292 is a wasteful number, since it uses less digits than its factorization.

61845104649292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43083360 (or 43083358 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 61845104649292 in words is "sixty-one trillion, eight hundred forty-five billion, one hundred four million, six hundred forty-nine thousand, two hundred ninety-two".