2537661043403 has 8 divisors (see below), whose sum is σ = 2543804809728. Its totient is φ = 2531520135144.

The previous prime is 2537661043373. The next prime is 2537661043433. The reversal of 2537661043403 is 3043401667352.

It is an interprime number because it is at equal distance from previous prime (2537661043373) and next prime (2537661043433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2537661043403 - 2⁶ = 2537661043339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2537661043433) 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, 1068800 + ... + 2493522.

It is an arithmetic number, because the mean of its divisors is an integer number (317975601216).

Almost surely, 2^{2537661043403} is an apocalyptic number.

2537661043403 is a deficient number, since it is larger than the sum of its proper divisors (6143766325).

2537661043403 is a wasteful number, since it uses less digits than its factorization.

2537661043403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429033.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 2537661043403 in words is "two trillion, five hundred thirty-seven billion, six hundred sixty-one million, forty-three thousand, four hundred three".