425743645377 has 16 divisors (see below), whose sum is σ = 597550224960. Its totient is φ = 268883845632.

The previous prime is 425743645343. The next prime is 425743645427. The reversal of 425743645377 is 773546347524.

It is not a de Polignac number, because 425743645377 - 2¹⁰ = 425743644353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (425743645307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3057373 + ... + 3193589.

It is an arithmetic number, because the mean of its divisors is an integer number (37346889060).

Almost surely, 2^425743645377 is an apocalyptic number.

It is an amenable number.

425743645377 is a deficient number, since it is larger than the sum of its proper divisors (171806579583).

425743645377 is a wasteful number, since it uses less digits than its factorization.

425743645377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191072.

The product of its digits is 59270400, while the sum is 57.

The spelling of 425743645377 in words is "four hundred twenty-five billion, seven hundred forty-three million, six hundred forty-five thousand, three hundred seventy-seven".