245669149470 has 32 divisors (see below), whose sum is σ = 591121683360. Its totient is φ = 65343359360.

The previous prime is 245669149469. The next prime is 245669149499. The reversal of 245669149470 is 74941966542.

It is a self number, because there is not a number n which added to its sum of digits gives 245669149470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10514001 + ... + 10537340.

It is an arithmetic number, because the mean of its divisors is an integer number (18472552605).

Almost surely, 2^245669149470 is an apocalyptic number.

245669149470 is an abundant number, since it is smaller than the sum of its proper divisors (345452533890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245669149470 is a wasteful number, since it uses less digits than its factorization.

245669149470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051740.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 245669149470 in words is "two hundred forty-five billion, six hundred sixty-nine million, one hundred forty-nine thousand, four hundred seventy".