3745478430555 has 32 divisors (see below), whose sum is σ = 6273427829760. Its totient is φ = 1904592919680.

The previous prime is 3745478430553. The next prime is 3745478430559. The reversal of 3745478430555 is 5550348745473.

It is not a de Polignac number, because 3745478430555 - 2¹ = 3745478430553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3745478430553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17346820 + ... + 17561409.

It is an arithmetic number, because the mean of its divisors is an integer number (196044619680).

Almost surely, 2^{3745478430555} is an apocalyptic number.

3745478430555 is a deficient number, since it is larger than the sum of its proper divisors (2527949399205).

3745478430555 is a wasteful number, since it uses less digits than its factorization.

3745478430555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34908571.

The product of its (nonzero) digits is 141120000, while the sum is 60.

The spelling of 3745478430555 in words is "three trillion, seven hundred forty-five billion, four hundred seventy-eight million, four hundred thirty thousand, five hundred fifty-five".