2645247475002 has 32 divisors (see below), whose sum is σ = 5773289287104. Its totient is φ = 801334553600.

The previous prime is 2645247474997. The next prime is 2645247475007. The reversal of 2645247475002 is 2005747425462.

It is an interprime number because it is at equal distance from previous prime (2645247474997) and next prime (2645247475007).

It is a super-2 number, since 2×2645247475002² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645247475007) 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, 6181149 + ... + 6595232.

It is an arithmetic number, because the mean of its divisors is an integer number (180415290222).

Almost surely, 2^{2645247475002} is an apocalyptic number.

2645247475002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2645247475002 is an abundant number, since it is smaller than the sum of its proper divisors (3128041812102).

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

2645247475002 is a wasteful number, since it uses less digits than its factorization.

2645247475002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779534.

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 2645247475002 in words is "two trillion, six hundred forty-five billion, two hundred forty-seven million, four hundred seventy-five thousand, two".