425042766154 has 4 divisors (see below), whose sum is σ = 637564149234. Its totient is φ = 212521383076.

The previous prime is 425042766151. The next prime is 425042766167. The reversal of 425042766154 is 451667240524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 382137857929 + 42904908225 = 618173^2 + 207135^2 .

It is a super-2 number, since 2×425042766154² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425042766151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106260691537 + ... + 106260691540.

Almost surely, 2^425042766154 is an apocalyptic number.

425042766154 is a deficient number, since it is larger than the sum of its proper divisors (212521383080).

425042766154 is a wasteful number, since it uses less digits than its factorization.

425042766154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212521383079.

The product of its (nonzero) digits is 1612800, while the sum is 46.

It can be divided in two parts, 425042 and 766154, that added together give a triangular number (1191196 = T₁₅₄₃).

The spelling of 425042766154 in words is "four hundred twenty-five billion, forty-two million, seven hundred sixty-six thousand, one hundred fifty-four".