61373404476394 has 24 divisors (see below), whose sum is σ = 99261478749600. Its totient is φ = 28405643005080.

The previous prime is 61373404476353. The next prime is 61373404476431. The reversal of 61373404476394 is 49367440437316.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694130844 + ... + 694219255.

It is an arithmetic number, because the mean of its divisors is an integer number (4135894947900).

Almost surely, 2^{61373404476394} is an apocalyptic number.

61373404476394 is a deficient number, since it is larger than the sum of its proper divisors (37888074273206).

61373404476394 is a wasteful number, since it uses less digits than its factorization.

61373404476394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388350186 (or 1388350155 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 61.

The spelling of 61373404476394 in words is "sixty-one trillion, three hundred seventy-three billion, four hundred four million, four hundred seventy-six thousand, three hundred ninety-four".