1245444963502 has 16 divisors (see below), whose sum is σ = 1873610949600. Its totient is φ = 620909216928.

The previous prime is 1245444963491. The next prime is 1245444963509. The reversal of 1245444963502 is 2053694445421.

It is a super-2 number, since 2×1245444963502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245444963509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716223 + ... + 2331589.

It is an arithmetic number, because the mean of its divisors is an integer number (117100684350).

Almost surely, 2^{1245444963502} is an apocalyptic number.

1245444963502 is a deficient number, since it is larger than the sum of its proper divisors (628165986098).

1245444963502 is a wasteful number, since it uses less digits than its factorization.

1245444963502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618315.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 1245444963502 in words is "one trillion, two hundred forty-five billion, four hundred forty-four million, nine hundred sixty-three thousand, five hundred two".