425409740049 has 32 divisors (see below), whose sum is σ = 671001477120. Its totient is φ = 234567127872.

The previous prime is 425409740033. The next prime is 425409740059. The reversal of 425409740049 is 940047904524.

It is not a de Polignac number, because 425409740049 - 2⁴ = 425409740033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425409740029) 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, 802744 + ... + 1222790.

It is an arithmetic number, because the mean of its divisors is an integer number (20968796160).

Almost surely, 2^425409740049 is an apocalyptic number.

It is an amenable number.

425409740049 is a deficient number, since it is larger than the sum of its proper divisors (245591737071).

425409740049 is a wasteful number, since it uses less digits than its factorization.

425409740049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421749.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 425409740049 in words is "four hundred twenty-five billion, four hundred nine million, seven hundred forty thousand, forty-nine".