2051028229490 has 8 divisors (see below), whose sum is σ = 3691850813100. Its totient is φ = 820411291792.

The previous prime is 2051028229489. The next prime is 2051028229507. The reversal of 2051028229490 is 949228201502.

It can be written as a sum of positive squares in 2 ways, for example, as 1986777639961 + 64250589529 = 1409531^2 + 253477^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102551411465 + ... + 102551411484.

Almost surely, 2^{2051028229490} is an apocalyptic number.

2051028229490 is a deficient number, since it is larger than the sum of its proper divisors (1640822583610).

2051028229490 is a wasteful number, since it uses less digits than its factorization.

2051028229490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205102822956.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 2051028229490 in words is "two trillion, fifty-one billion, twenty-eight million, two hundred twenty-nine thousand, four hundred ninety".