1400247650407 has 2 divisors, whose sum is σ = 1400247650408. Its totient is φ = 1400247650406.

The previous prime is 1400247650393. The next prime is 1400247650443. The reversal of 1400247650407 is 7040567420041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400247650407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400247650407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400247659407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700123825203 + 700123825204.

It is an arithmetic number, because the mean of its divisors is an integer number (700123825204).

Almost surely, 2^{1400247650407} is an apocalyptic number.

1400247650407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400247650407 is an equidigital number, since it uses as much as digits as its factorization.

1400247650407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 1400247650407 in words is "one trillion, four hundred billion, two hundred forty-seven million, six hundred fifty thousand, four hundred seven".